RKI Instruments

GX-3R Pro

Name: GX-3R Pro
Brand: RKI Instruments

The RKI INSTRUMENTS GX-3R Pro is a lightweight 5-gas monitor with Bluetooth connectivity and man-down alarm for confined space and hazardous environment safety.

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Power Source

5th Channel Sensor

Slot 1 Configuration

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Woman-owned · HUB-certified
Tax-exempt & POs accepted
Calibration & repair

Questions? Talk to a specialist210.566.1857 · sales@farrwest.com

Li-ion Battery Life 4-gas EC: 25 h
LEL Range: 0 ~ LEL (1% LEL)
Li-ion Battery Life 4-gas EC with Bluetooth: 23 h

Overview

The GX-3R Pro is the world’s smallest 5-gas monitor weighing only 4.58 ounces. It simultaneously monitors and displays 5 different gases including standard confined space gases (LEL, O2, CO, H2S) plus a 5th channel for infrared or toxic gas sensors (HCN, NO2, NH3, SO2, PH3, CO2). Features Bluetooth wireless communication with iOS/Android app, man-down alarm, panic alarm, 3 user-adjustable alarm levels, large auto-backlit display with auto-rotation, field-replaceable sensors, water/dust resistant IP66/68 design, and includes choice of alkaline or rechargeable lithium-ion battery (25-hour runtime). CSA, ATEX, IECEx and MED approved with 3-year warranty on materials and sensors.

Smallest & lightest 5-gas detector
Detect up to 5 gases simultaneously
Confined space monitoring: LEL, O2, H2S, CO
Toxic/IR sensor options: HCN, NH3, NO2, PH3, SO2, CO2
H2 compensated CO sensor available
Simple 2-button operation
Bluetooth communication with iOS & Android app
3 user adjustable alarm levels
Panic Alarm
Man Down Alarm
Large full dot auto-backlit display with auto-rotation
Field replaceable sensors & filters
Water and dust resistant design IP66/68
Non-compliance indicator with flashing LEDs
Datalogging of calibration and bump test history
Datalogging of alarm events and trends

Specifications

Performance
Display	Full dot LCD with Autobacklight and Autorotation
Response Time	Within 30 s (T90)
CO/H2S Range	0 ~ 2000 ppm (1 ppm) / 0 ~ 200.0 ppm (0.1 ppm)
CO Accuracy	± 5% of reading or ± 5 ppm
H2S Accuracy	± 5% of reading or ± 2 ppm
LEL Range	0 ~ LEL (1% LEL)
LEL Accuracy	± 5% of reading or ± 2 % LEL
O2 Range	0 ~ 40.0% Vol. (0.10%)
O2 Accuracy	± 0.5% O2
HCN Range	0 ~ 30.0 ppm (0.1 ppm)
HCN Accuracy	± 10% of reading or ± 5 % of full scale
NO2 Range	0 ~ 20.00 ppm (0.05 ppm)
CO2 Range (Volume)	0 ~ 10.0% Vol. (0.01%)
CO2 Range (ppm)	0 ~ 10,000 ppm (20 ppm)
CO2 Accuracy	± 5% of reading or ± 2 ppm
Power
Li-ion Battery Life 4-gas EC	25 h
Li-ion Battery Life 4-gas EC with Bluetooth	23 h
Li-ion Battery Life 4-gas IR	16 h
Li-ion Battery Life 4-gas IR with Bluetooth	15 h
Alkaline Battery Life 4-gas EC	16 h
Alkaline Battery Life 4-gas EC with Bluetooth	14 h
Alkaline Battery Life 4-gas IR	7 h
Alkaline Battery Life 4-gas IR with Bluetooth	6 h
Physical
Dimension & Weight	2.9" W x 2.6" H x 1.06" D (Approx. 73 W x 65 H x 26 D mm), 4.58oz (with rubber boot)
Case Material	Dust and water resistant to IP-66/68 (2m,1h) approval. Drop height 23 ft
Connectivity
Bluetooth Communication	BLE: with iOS and Android phone app: RK Link
Datalogging	Logs user ID, station ID, Calibration & Bump Test history, Alarm Events & Alarm Trends
Approvals & Warranty
Safety Design / Approvals	ATEX, CSA, IECEx, MED
Warranty	Three years material and workmanship including sensors (1 year for Ammonia sensor)
Other
Sampling Method	Diffusion sampling standard (hand aspirator or clip-on motorized pump optional)
Operating Temp. Continuous	-20°C ~ +50°C [-4°F ~ +122°F], 10 to 90% RH, non-condensing
Operating Temp. Temporary	-40°C ~ +60°C [-40°F ~ +140°F], 0 to 95% RH, non-condensing

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Calibration & repair from FarrWest

Calibration, repair and maintenance for your detection instruments.

Service programs →Scheduled calibration & maintenance Repair depot →Start a repair Training →Courses for your team

Accessories & consumables

GX-3R / GX-3R Pro Li-ion battery pack
Price range: $132.00 through $274.00
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